19990593

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5987}}^1$

素因数の和:6053

約数の個数: 24

約数和(自身を含む): 33628608

約数和(自身を除く): 13638015

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 5987, 17961, 41909, 53883, 125727, 317311, 377181, 951933, 2221177, 2855799, 6663531, 19990593]

約数ペア:

[(1, 19990593), (3, 6663531), (7, 2855799), (9, 2221177), (21, 951933), (53, 377181), (63, 317311), (159, 125727), (371, 53883), (477, 41909), (1113, 17961), (3339, 5987)]